肺表面活化蛋白A相似分子在炎症肠道疾病组织中的过量表达(英文)

被引:25
作者
罗俊铭 [1 ]
刘昭前 [2 ]
Chin YEugene [3 ]
机构
[1] 肾脏研究所,堪萨斯大学医学院
[2] 中南大学临床药理研究所,遗传药理学湖南省重点实验室
[3] 外科学研究室,布朗大学医学院
关键词
炎症肠道疾病; 肺表面活化蛋白A相似分子; CD68; 免疫组织化学;
D O I
暂无
中图分类号
R574 [肠疾病];
学科分类号
100201 [内科学];
摘要
目的:阐明炎症肠道疾病(inlammatory bowel disease,IBD)中肺表面活化蛋白A(pulmonary surfactant protein A,SP-A)相似分子的分布特征和CD68阳性巨噬细胞的免疫反应。方法:外科手术获得的结肠组织标本来自布朗大学医学院罗得岛医院病理科,应用免疫组织化学方法检测IBD患者肠道组织中SP-A相似分子的表达。结果:SP-A相似分子分布在肠道上皮、肠道绒毛表面,连接组织血管和某些炎症细胞。具有SP-A相似分子和CD68阳性表达的巨噬细胞数量炎症区域明显增加,高于正常组织。而免疫荧光双标记实验显示,一些CD68阳性巨噬细胞可以表达SP-A相似分子免疫反应。结论:SP-A是肺脏一种重要的宿主防御因子。
引用
收藏
页码:979 / 986
页数:8
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